TRACTION CONTROL LIGHT IS GOING ON AND THE ABS LIGHT TOO

1996 Buick Riviera • 163,000 miles

I have a 1996 buick riviera mm having a problem where I have a b s light in the traction control light is on can I check the switch wires for voltage and which colors I've had autozone check for the abs codes they said there is none, traction control light in a b s light is on don't know what else I should do.